[VoiceOps] Preventing calls to cell phones with guaranteed accuracy

Fri Aug 21 14:49:14 EDT 2015

Checking for the existence of TN’s HLR  might do the trick:

www.hlrcheck.com<http://www.hlrcheck.com>

From: VoiceOps [mailto:voiceops-bounces at voiceops.org] On Behalf Of Jared Geiger
Sent: Friday, August 21, 2015 11:40
To: VoiceOps
Subject: Re: [VoiceOps] Preventing calls to cell phones with guaranteed accuracy

It seems ANI Networks has a product that would work. When you do an LRN dip, it can show the OCN Category such as Cellular. Looks like it also supports DNC list support.

http://aninetworks.com/PDF/ANI_Networks_Routing_Registry_Service.pdf<https://urldefense.proofpoint.com/v2/url?u=http-3A__aninetworks.com_PDF_ANI-5FNetworks-5FRouting-5FRegistry-5FService.pdf&d=AwMFaQ&c=N13-TaG7c-EYAiUNohBk74oLRjUiBTwVm-KSnr4bPSc&r=-GzOCp0ppLaBQPFaZ7lZ4bUUBQxpFBukitRP75oaRdQ&m=QESMWBlGOAeqvL5sxFzXJgWP-T6CSj28ki9OtOR0Jb0&s=XIr4eiKgRndr3RccpK-iFiD2Unl6RcIBL1rXbJSURHg&e=>

I don't have any experience with the product, but looks like this is what you need.

On Wed, Aug 19, 2015 at 4:25 PM, Carlos Alvarez <caalvarez at gmail.com<mailto:caalvarez at gmail.com>> wrote:
Their lists are already cleaned by NPA-NXX, it's just not sufficient any more because of LNP.  Looks like the TCPA compliance product from Neustar, which someone else posted yesterday, is the best solution.  Pretty cheap too.  It's just indicates intermodal porting of a number with no other info.

On Wed, Aug 19, 2015 at 12:40 PM Paul Timmins <paul at timmins.net<mailto:paul at timmins.net>> wrote:
I know a guy who runs a site that sells the npa nxx to carrier type at a fraction of the lerg costs....

On Aug 19, 2015 11:39 AM, Alex Balashov <abalashov at evaristesys.com<mailto:abalashov at evaristesys.com>> wrote:
>
> ‎Indeed, you'd start from the NPAC, which would get you, for a given TN, an LRN. Then what?
> ‎
> --
> Alex Balashov | Principal | Evariste Systems LLC
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> Sent from my BlackBerry.
>   Original Message
> From: Kidd Filby
> Sent: Wednesday, August 19, 2015 10:52
> To: Carlos Alvarez
> Cc: voiceops at voiceops.org<mailto:voiceops at voiceops.org>
> Subject: Re: [VoiceOps] Preventing calls to cell phones with guaranteed accuracy
>
> If I were to offer this service or database access, I would start with my own local copy of NPAC that I'd update every X-minutes a day.  This product is available now and has been for a while.  This is the only sure-way, I know of, to have the most accurate data to work from.
>
> Kidd
>
> On Tue, Aug 18, 2015 at 2:30 PM, Carlos Alvarez <caalvarez at gmail.com<mailto:caalvarez at gmail.com>> wrote:
> I have a customer in market research who is legally required to manually dial calls to cell phones.  Right now they are considering abandoning all of their auto/predictive dialer software and going to manual dial for everything, because the list-scrubbing services have been shown to be inaccurate.  There are extreme penalties for auto-dialing a cell phone, and "best effort" is NOT a defense to this, at all.  For example, Gallup just settle a claim for $12M.
>
> So they need a totally accurate way to prevent a cell phone call from originating from their dialer.  The only thing I can think of is some sort of LRN dip + LRN-to-carrier-type response.  One of their people talked to Neustar, but didn't get great answers because he doesn't really understand telephony.  Before I get in touch with Neustar, I thought I'd see if people here have some ideas.
>
> If you provide a commercial product for this, please feel free to tell me so on or off list, the customer is willing to pay for the service and we're open to all options.  I don't have a budget number yet but manual dialing is going to cost them quite a bit for some types of studies.
>
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